/**
 * Copyright 2012 Roger Cockshutt
 * krakenbrau@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.googlecode.parallelrl.util;

/**
 * @author Roger Cockshutt
 * 
 * Class for wrapping two related objects. eg. x/y coordinates
 */
public class ImmutablePair<T, S> {
	
	protected final T a;
	protected final S b;
	
	
	
	/**
	 * @param elementA
	 * @param elementB
	 */
	public ImmutablePair(T elementA, S elementB) {
		this.a = elementA;
		this.b = elementB;
	}
	
	
	
	/**
	 * @return
	 */
	public T getElementA() {
		return a;
	}
	
	
	
	/**
	 * @return
	 */
	public S getElementB() {
		return b;
	}
	
	
	
	@Override
	public boolean equals(Object o) {
		if (o.getClass() == this.getClass()) {
			if (((ImmutablePair<?, ?>) o).getElementA().equals(this.getElementA()) &&
					((ImmutablePair<?, ?>) o).getElementB().equals(this.getElementB())) {
				return true;
			}
			
		}
		return false;
	}

}
